I am using xcode 6.1 and osx 10.10. when I am running the app in device, The alert message shows as "app installation failed" and "the packet is unknown".my app running in ios simulator bur not not running in the device (ipad 8.1).
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
回答1:
Try the following steps
1.Check for the certificate
2.Delete the existing app from the iPad
3.Clean the Project
4.Install the application again
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